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ARS Home Office of Communications Images Photos Nov10





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Image Number D1972-3 ARS technician Dianne Snuffer extracts tannins from samples of rainwater collected after it ran down trees. She is using the solid phase extraction technique to investigate the effects of tannins on soil organic matter, nutrient cycling, and water quality.  Photo by Stephen Ausmus.  640 pixels wide: (d1972-3.jpg)   Please visit our Image Gallery


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